11021220202013 has 16 divisors (see below), whose sum is σ = 13222365265920. Its totient is φ = 8987076370800.

The previous prime is 11021220202001. The next prime is 11021220202033. The reversal of 11021220202013 is 31020202212011.

It is a cyclic number.

It is not a de Polignac number, because 11021220202013 - 2¹⁶ = 11021220136477 is a prime.

It is a super-5 number, since 5×11021220202013⁵ (a number of 66 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021220201982 and 11021220202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021220202033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430402733 + ... + 430428338.

It is an arithmetic number, because the mean of its divisors is an integer number (826397829120).

Almost surely, 2^{11021220202013} is an apocalyptic number.

It is an amenable number.

11021220202013 is a deficient number, since it is larger than the sum of its proper divisors (2201145063907).

11021220202013 is an equidigital number, since it uses as much as digits as its factorization.

11021220202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860831168.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11021220202013 its reverse (31020202212011), we get a palindrome (42041422414024).

The spelling of 11021220202013 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred two thousand, thirteen".